Why Trump will struggle to bring back manual labor jobs

Michael Smith is not used to stretching a paycheck. As recently as March 2015, the 42-year-old was earning nearly $100,000 a year as a district manager on oil fields for company based in Union City, Pa. Then oil prices dropped, and his company laid him off.

Smith, a father of four boys, now makes $12 an hour as an apprentice electrician. He is not a die-hard disciple, but voted for Donald Trump because he's desperate for something new.

"Do I think Donald Trump is what this country needs and do I think he will make it great again? No," Smith said. "Do I think he is a step in the right direction? Absolutely."

Robotics, automation, 3D printing, drones and autonomous vehicles are among the hot areas in industry this year, and the young entrepreneurs on the Forbes 30 Under 30 list in Manufacturing and Industry are finding lots of opportunities.

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